Sit there for five hours? Certainly not! A player must walk about between moves, it helps his thinking.
Alexander KotovThe masters and grandmasters can be divided into three groups - the inveterate time trouble merchants, those who sometimes get into trouble, and those for whom the phenomenon is a very rare occurence.
Alexander KotovAll candidate moves should be identified at once and listed in one's head. This job cannot be done piecemeal, by first examining one move and then look at another.
Alexander KotovWhen you have finished analyzing all the variations and gone along all the branches of the tree of analysis you must first of all write the move down on your score sheet, before you play it.
Alexander Kotov